111001001011003 has 8 divisors (see below), whose sum is σ = 111273236852256. Its totient is φ = 110728805812800.

The previous prime is 111001001010961. The next prime is 111001001011007. The reversal of 111001001011003 is 300110100100111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111001001011003 - 2²⁵ = 111000967456571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111001001011007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4688218 + ... + 15619903.

It is an arithmetic number, because the mean of its divisors is an integer number (13909154606532).

Almost surely, 2^{111001001011003} is an apocalyptic number.

111001001011003 is a deficient number, since it is larger than the sum of its proper divisors (272235841253).

111001001011003 is a wasteful number, since it uses less digits than its factorization.

111001001011003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20321525.

The product of its (nonzero) digits is 3, while the sum is 10.

Adding to 111001001011003 its reverse (300110100100111), we get a palindrome (411111101111114).

The spelling of 111001001011003 in words is "one hundred eleven trillion, one billion, one million, eleven thousand, three".